internal Lucene42DocValuesProducer(SegmentReadState state, string dataCodec, string dataExtension, string metaCodec, string metaExtension)
{
maxDoc = state.SegmentInfo.DocCount;
string metaName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, metaExtension);
// read in the entries from the metadata file.
ChecksumIndexInput @in = state.Directory.OpenChecksumInput(metaName, state.Context);
bool success = false;
ramBytesUsed = new AtomicInt64(RamUsageEstimator.ShallowSizeOfInstance(this.GetType()));
try
{
version = CodecUtil.CheckHeader(@in, metaCodec, VERSION_START, VERSION_CURRENT);
numerics = new Dictionary <int, NumericEntry>();
binaries = new Dictionary <int, BinaryEntry>();
fsts = new Dictionary <int, FSTEntry>();
ReadFields(@in /*, state.FieldInfos // LUCENENET: Never read */);
if (version >= VERSION_CHECKSUM)
{
CodecUtil.CheckFooter(@in);
}
else
{
#pragma warning disable 612, 618
CodecUtil.CheckEOF(@in);
#pragma warning restore 612, 618
}
success = true;
}
finally
{
if (success)
{
IOUtils.Dispose(@in);
}
else
{
IOUtils.DisposeWhileHandlingException(@in);
}
}
success = false;
try
{
string dataName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, dataExtension);
data = state.Directory.OpenInput(dataName, state.Context);
int version2 = CodecUtil.CheckHeader(data, dataCodec, VERSION_START, VERSION_CURRENT);
if (version != version2)
{
throw new CorruptIndexException("Format versions mismatch");
}
success = true;
}
finally
{
if (!success)
{
IOUtils.DisposeWhileHandlingException(this.data);
}
}
}
/// <summary>
/// Sole constructor. </summary>
public CompressingStoredFieldsReader(Directory d, SegmentInfo si, string segmentSuffix, FieldInfos fn, IOContext context, string formatName, CompressionMode compressionMode)
{
this.compressionMode = compressionMode;
string segment = si.Name;
bool success = false;
fieldInfos = fn;
numDocs = si.DocCount;
ChecksumIndexInput indexStream = null;
try
{
string indexStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, Lucene40StoredFieldsWriter.FIELDS_INDEX_EXTENSION);
string fieldsStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, Lucene40StoredFieldsWriter.FIELDS_EXTENSION);
// Load the index into memory
indexStream = d.OpenChecksumInput(indexStreamFN, context);
string codecNameIdx = formatName + CompressingStoredFieldsWriter.CODEC_SFX_IDX;
version = CodecUtil.CheckHeader(indexStream, codecNameIdx, CompressingStoredFieldsWriter.VERSION_START, CompressingStoredFieldsWriter.VERSION_CURRENT);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(CodecUtil.HeaderLength(codecNameIdx) == indexStream.GetFilePointer());
}
indexReader = new CompressingStoredFieldsIndexReader(indexStream, si);
long maxPointer = -1;
if (version >= CompressingStoredFieldsWriter.VERSION_CHECKSUM)
{
maxPointer = indexStream.ReadVInt64();
CodecUtil.CheckFooter(indexStream);
}
else
{
#pragma warning disable 612, 618
CodecUtil.CheckEOF(indexStream);
#pragma warning restore 612, 618
}
indexStream.Dispose();
indexStream = null;
// Open the data file and read metadata
fieldsStream = d.OpenInput(fieldsStreamFN, context);
if (version >= CompressingStoredFieldsWriter.VERSION_CHECKSUM)
{
if (maxPointer + CodecUtil.FooterLength() != fieldsStream.Length)
{
throw new CorruptIndexException("Invalid fieldsStream maxPointer (file truncated?): maxPointer=" + maxPointer + ", length=" + fieldsStream.Length);
}
}
else
{
maxPointer = fieldsStream.Length;
}
this.maxPointer = maxPointer;
string codecNameDat = formatName + CompressingStoredFieldsWriter.CODEC_SFX_DAT;
int fieldsVersion = CodecUtil.CheckHeader(fieldsStream, codecNameDat, CompressingStoredFieldsWriter.VERSION_START, CompressingStoredFieldsWriter.VERSION_CURRENT);
if (version != fieldsVersion)
{
throw new CorruptIndexException("Version mismatch between stored fields index and data: " + version + " != " + fieldsVersion);
}
if (Debugging.AssertsEnabled)
{
Debugging.Assert(CodecUtil.HeaderLength(codecNameDat) == fieldsStream.GetFilePointer());
}
if (version >= CompressingStoredFieldsWriter.VERSION_BIG_CHUNKS)
{
chunkSize = fieldsStream.ReadVInt32();
}
else
{
chunkSize = -1;
}
packedIntsVersion = fieldsStream.ReadVInt32();
decompressor = compressionMode.NewDecompressor();
this.bytes = new BytesRef();
success = true;
}
finally
{
if (!success)
{
IOUtils.DisposeWhileHandlingException(this, indexStream);
}
}
}
public override FieldInfos Read(Directory directory, string segmentName, string segmentSuffix, IOContext context)
{
string fileName = IndexFileNames.SegmentFileName(segmentName, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
ChecksumIndexInput input = directory.OpenChecksumInput(fileName, context);
bool success = false;
try
{
int codecVersion = CodecUtil.CheckHeader(input, Lucene46FieldInfosFormat.CODEC_NAME, Lucene46FieldInfosFormat.FORMAT_START, Lucene46FieldInfosFormat.FORMAT_CURRENT);
int size = input.ReadVInt32(); //read in the size
FieldInfo[] infos = new FieldInfo[size];
for (int i = 0; i < size; i++)
{
string name = input.ReadString();
int fieldNumber = input.ReadVInt32();
byte bits = input.ReadByte();
bool isIndexed = (bits & Lucene46FieldInfosFormat.IS_INDEXED) != 0;
bool storeTermVector = (bits & Lucene46FieldInfosFormat.STORE_TERMVECTOR) != 0;
bool omitNorms = (bits & Lucene46FieldInfosFormat.OMIT_NORMS) != 0;
bool storePayloads = (bits & Lucene46FieldInfosFormat.STORE_PAYLOADS) != 0;
IndexOptions indexOptions;
if (!isIndexed)
{
indexOptions = IndexOptions.NONE;
}
else if ((bits & Lucene46FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS) != 0)
{
indexOptions = IndexOptions.DOCS_ONLY;
}
else if ((bits & Lucene46FieldInfosFormat.OMIT_POSITIONS) != 0)
{
indexOptions = IndexOptions.DOCS_AND_FREQS;
}
else if ((bits & Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS) != 0)
{
indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
}
else
{
indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
}
// DV Types are packed in one byte
byte val = input.ReadByte();
DocValuesType docValuesType = GetDocValuesType(input, (sbyte)(val & 0x0F));
DocValuesType normsType = GetDocValuesType(input, (sbyte)(((int)((uint)val >> 4)) & 0x0F));
long dvGen = input.ReadInt64();
IDictionary <string, string> attributes = input.ReadStringStringMap();
infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, omitNorms, storePayloads, indexOptions, docValuesType, normsType, Collections.UnmodifiableMap(attributes));
infos[i].DocValuesGen = dvGen;
}
if (codecVersion >= Lucene46FieldInfosFormat.FORMAT_CHECKSUM)
{
CodecUtil.CheckFooter(input);
}
else
{
#pragma warning disable 612, 618
CodecUtil.CheckEOF(input);
#pragma warning restore 612, 618
}
FieldInfos fieldInfos = new FieldInfos(infos);
success = true;
return(fieldInfos);
}
finally
{
if (success)
{
input.Dispose();
}
else
{
IOUtils.DisposeWhileHandlingException(input);
}
}
}
//static final boolean TEST = false;
public FSTOrdTermsReader(SegmentReadState state, PostingsReaderBase postingsReader)
{
string termsIndexFileName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, FSTOrdTermsWriter.TERMS_INDEX_EXTENSION);
string termsBlockFileName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, FSTOrdTermsWriter.TERMS_BLOCK_EXTENSION);
this.postingsReader = postingsReader;
ChecksumIndexInput indexIn = null;
IndexInput blockIn = null;
bool success = false;
try
{
indexIn = state.Directory.OpenChecksumInput(termsIndexFileName, state.Context);
blockIn = state.Directory.OpenInput(termsBlockFileName, state.Context);
version = ReadHeader(indexIn);
ReadHeader(blockIn);
if (version >= FSTOrdTermsWriter.TERMS_VERSION_CHECKSUM)
{
CodecUtil.ChecksumEntireFile(blockIn);
}
this.postingsReader.Init(blockIn);
SeekDir(blockIn);
FieldInfos fieldInfos = state.FieldInfos;
int numFields = blockIn.ReadVInt32();
for (int i = 0; i < numFields; i++)
{
FieldInfo fieldInfo = fieldInfos.FieldInfo(blockIn.ReadVInt32());
bool hasFreq = fieldInfo.IndexOptions != IndexOptions.DOCS_ONLY;
long numTerms = blockIn.ReadVInt64();
long sumTotalTermFreq = hasFreq ? blockIn.ReadVInt64() : -1;
long sumDocFreq = blockIn.ReadVInt64();
int docCount = blockIn.ReadVInt32();
int longsSize = blockIn.ReadVInt32();
var index = new FST <long?>(indexIn, PositiveInt32Outputs.Singleton);
var current = new TermsReader(this, fieldInfo, blockIn, numTerms, sumTotalTermFreq, sumDocFreq, docCount, longsSize, index);
TermsReader previous;
// LUCENENET NOTE: This simulates a put operation in Java,
// getting the prior value first before setting it.
fields.TryGetValue(fieldInfo.Name, out previous);
fields[fieldInfo.Name] = current;
CheckFieldSummary(state.SegmentInfo, indexIn, blockIn, current, previous);
}
if (version >= FSTOrdTermsWriter.TERMS_VERSION_CHECKSUM)
{
CodecUtil.CheckFooter(indexIn);
}
else
{
#pragma warning disable 612, 618
CodecUtil.CheckEOF(indexIn);
#pragma warning restore 612, 618
}
success = true;
}
finally
{
if (success)
{
IOUtils.Dispose(indexIn, blockIn);
}
else
{
IOUtils.DisposeWhileHandlingException(indexIn, blockIn);
}
}
}
/// <summary> Read a particular segmentFileName. Note that this may
/// throw an IOException if a commit is in process.
///
/// </summary>
/// <param name="directory">-- directory containing the segments file
/// </param>
/// <param name="segmentFileName">-- segment file to load
/// </param>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> IOException if there is a low-level IO error </throws>
public void Read(Directory directory, System.String segmentFileName)
{
bool success = false;
// Clear any previous segments:
Clear();
var input = new ChecksumIndexInput(directory.OpenInput(segmentFileName));
generation = GenerationFromSegmentsFileName(segmentFileName);
lastGeneration = generation;
try
{
int format = input.ReadInt();
if (format < 0)
{
// file contains explicit format info
// check that it is a format we can understand
if (format < CURRENT_FORMAT)
{
throw new CorruptIndexException("Unknown format version: " + format);
}
version = input.ReadLong(); // read version
counter = input.ReadInt(); // read counter
}
else
{
// file is in old format without explicit format info
counter = format;
}
for (int i = input.ReadInt(); i > 0; i--)
{
// read segmentInfos
Add(new SegmentInfo(directory, format, input));
}
if (format >= 0)
{
// in old format the version number may be at the end of the file
if (input.FilePointer >= input.Length())
{
version = (DateTime.UtcNow.Ticks / TimeSpan.TicksPerMillisecond);
}
// old file format without version number
else
{
version = input.ReadLong(); // read version
}
}
if (format <= FORMAT_USER_DATA)
{
if (format <= FORMAT_DIAGNOSTICS)
{
userData = input.ReadStringStringMap();
}
else if (0 != input.ReadByte())
{
// TODO: Should be read-only map
userData = new HashMap <string, string> {
{ "userData", input.ReadString() }
};
}
else
{
// TODO: Should be empty read-only map
userData = new HashMap <string, string>();
}
}
else
{
// TODO: Should be empty read-only map
userData = new HashMap <string, string>();
}
if (format <= FORMAT_CHECKSUM)
{
long checksumNow = input.Checksum;
long checksumThen = input.ReadLong();
if (checksumNow != checksumThen)
{
throw new CorruptIndexException("checksum mismatch in segments file");
}
}
success = true;
}
finally
{
input.Close();
if (!success)
{
// Clear any segment infos we had loaded so we
// have a clean slate on retry:
Clear();
}
}
}
public override SegmentInfo Read(Directory directory, string segmentName, IOContext context)
{
var scratch = new BytesRef();
string segFileName = IndexFileNames.SegmentFileName(segmentName, "",
SimpleTextSegmentInfoFormat.SI_EXTENSION);
ChecksumIndexInput input = directory.OpenChecksumInput(segFileName, context);
bool success = false;
try
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_VERSION));
string version = ReadString(SimpleTextSegmentInfoWriter.SI_VERSION.Length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DOCCOUNT));
int docCount = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_DOCCOUNT.Length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_USECOMPOUND));
bool isCompoundFile = Convert.ToBoolean(ReadString(SimpleTextSegmentInfoWriter.SI_USECOMPOUND.Length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_NUM_DIAG));
int numDiag = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_NUM_DIAG.Length, scratch));
IDictionary <string, string> diagnostics = new Dictionary <string, string>();
for (int i = 0; i < numDiag; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DIAG_KEY));
string key = ReadString(SimpleTextSegmentInfoWriter.SI_DIAG_KEY.Length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DIAG_VALUE));
string value = ReadString(SimpleTextSegmentInfoWriter.SI_DIAG_VALUE.Length, scratch);
diagnostics[key] = value;
}
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_NUM_FILES));
int numFiles = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_NUM_FILES.Length, scratch));
var files = new HashSet <string>();
for (int i = 0; i < numFiles; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_FILE));
string fileName = ReadString(SimpleTextSegmentInfoWriter.SI_FILE.Length, scratch);
files.Add(fileName);
}
SimpleTextUtil.CheckFooter(input);
var info = new SegmentInfo(directory, version, segmentName, docCount, isCompoundFile, null,
diagnostics)
{
Files = files
};
success = true;
return(info);
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(input);
}
else
{
input.Dispose();
}
}
}
/// <summary>
/// Sole constructor. </summary>
public CompressingStoredFieldsReader(Directory d, SegmentInfo si, string segmentSuffix, FieldInfos fn, IOContext context, string formatName, CompressionMode compressionMode)
{
this.CompressionMode_Renamed = compressionMode;
string segment = si.Name;
bool success = false;
FieldInfos = fn;
NumDocs = si.DocCount;
ChecksumIndexInput indexStream = null;
try
{
string indexStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, Lucene40StoredFieldsWriter.FIELDS_INDEX_EXTENSION);
string fieldsStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, Lucene40StoredFieldsWriter.FIELDS_EXTENSION);
// Load the index into memory
indexStream = d.OpenChecksumInput(indexStreamFN, context);
string codecNameIdx = formatName + CompressingStoredFieldsWriter.CODEC_SFX_IDX;
Version_Renamed = CodecUtil.CheckHeader(indexStream, codecNameIdx, CompressingStoredFieldsWriter.VERSION_START, CompressingStoredFieldsWriter.VERSION_CURRENT);
Debug.Assert(CodecUtil.HeaderLength(codecNameIdx) == indexStream.FilePointer);
IndexReader = new CompressingStoredFieldsIndexReader(indexStream, si);
long maxPointer = -1;
if (Version_Renamed >= CompressingStoredFieldsWriter.VERSION_CHECKSUM)
{
maxPointer = indexStream.ReadVLong();
CodecUtil.CheckFooter(indexStream);
}
else
{
CodecUtil.CheckEOF(indexStream);
}
indexStream.Dispose();
indexStream = null;
// Open the data file and read metadata
FieldsStream = d.OpenInput(fieldsStreamFN, context);
if (Version_Renamed >= CompressingStoredFieldsWriter.VERSION_CHECKSUM)
{
if (maxPointer + CodecUtil.FooterLength() != FieldsStream.Length())
{
throw new CorruptIndexException("Invalid fieldsStream maxPointer (file truncated?): maxPointer=" + maxPointer + ", length=" + FieldsStream.Length());
}
}
else
{
maxPointer = FieldsStream.Length();
}
this.MaxPointer = maxPointer;
string codecNameDat = formatName + CompressingStoredFieldsWriter.CODEC_SFX_DAT;
int fieldsVersion = CodecUtil.CheckHeader(FieldsStream, codecNameDat, CompressingStoredFieldsWriter.VERSION_START, CompressingStoredFieldsWriter.VERSION_CURRENT);
if (Version_Renamed != fieldsVersion)
{
throw new CorruptIndexException("Version mismatch between stored fields index and data: " + Version_Renamed + " != " + fieldsVersion);
}
Debug.Assert(CodecUtil.HeaderLength(codecNameDat) == FieldsStream.FilePointer);
if (Version_Renamed >= CompressingStoredFieldsWriter.VERSION_BIG_CHUNKS)
{
ChunkSize_Renamed = FieldsStream.ReadVInt();
}
else
{
ChunkSize_Renamed = -1;
}
PackedIntsVersion = FieldsStream.ReadVInt();
Decompressor = compressionMode.NewDecompressor();
this.Bytes = new BytesRef();
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(this, indexStream);
}
}
}
/// <summary>
/// Sole constructor. </summary>
public CompressingTermVectorsReader(Directory d, SegmentInfo si, string segmentSuffix, FieldInfos fn, IOContext context, string formatName, CompressionMode compressionMode)
{
this.compressionMode = compressionMode;
string segment = si.Name;
bool success = false;
fieldInfos = fn;
numDocs = si.DocCount;
ChecksumIndexInput indexStream = null;
try
{
// Load the index into memory
string indexStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, CompressingTermVectorsWriter.VECTORS_INDEX_EXTENSION);
indexStream = d.OpenChecksumInput(indexStreamFN, context);
string codecNameIdx = formatName + CompressingTermVectorsWriter.CODEC_SFX_IDX;
version = CodecUtil.CheckHeader(indexStream, codecNameIdx, CompressingTermVectorsWriter.VERSION_START, CompressingTermVectorsWriter.VERSION_CURRENT);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(CodecUtil.HeaderLength(codecNameIdx) == indexStream.GetFilePointer());
}
indexReader = new CompressingStoredFieldsIndexReader(indexStream, si);
if (version >= CompressingTermVectorsWriter.VERSION_CHECKSUM)
{
indexStream.ReadVInt64(); // the end of the data file
CodecUtil.CheckFooter(indexStream);
}
else
{
#pragma warning disable 612, 618
CodecUtil.CheckEOF(indexStream);
#pragma warning restore 612, 618
}
indexStream.Dispose();
indexStream = null;
// Open the data file and read metadata
string vectorsStreamFN = IndexFileNames.SegmentFileName(segment, segmentSuffix, CompressingTermVectorsWriter.VECTORS_EXTENSION);
vectorsStream = d.OpenInput(vectorsStreamFN, context);
string codecNameDat = formatName + CompressingTermVectorsWriter.CODEC_SFX_DAT;
int version2 = CodecUtil.CheckHeader(vectorsStream, codecNameDat, CompressingTermVectorsWriter.VERSION_START, CompressingTermVectorsWriter.VERSION_CURRENT);
if (version != version2)
{
throw new Exception("Version mismatch between stored fields index and data: " + version + " != " + version2);
}
if (Debugging.AssertsEnabled)
{
Debugging.Assert(CodecUtil.HeaderLength(codecNameDat) == vectorsStream.GetFilePointer());
}
packedIntsVersion = vectorsStream.ReadVInt32();
chunkSize = vectorsStream.ReadVInt32();
decompressor = compressionMode.NewDecompressor();
this.reader = new BlockPackedReaderIterator(vectorsStream, packedIntsVersion, CompressingTermVectorsWriter.BLOCK_SIZE, 0);
success = true;
}
finally
{
if (!success)
{
IOUtils.DisposeWhileHandlingException(this, indexStream);
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: MemoryDocValuesProducer(index.SegmentReadState state, String dataCodec, String dataExtension, String metaCodec, String metaExtension) throws java.io.IOException
internal MemoryDocValuesProducer(SegmentReadState state, string dataCodec, string dataExtension, string metaCodec, string metaExtension)
{
maxDoc = state.segmentInfo.DocCount;
string metaName = IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, metaExtension);
// read in the entries from the metadata file.
ChecksumIndexInput @in = state.directory.openChecksumInput(metaName, state.context);
bool success = false;
try
{
version = CodecUtil.checkHeader(@in, metaCodec, VERSION_START, VERSION_CURRENT);
numerics = new Dictionary <>();
binaries = new Dictionary <>();
fsts = new Dictionary <>();
readFields(@in, state.fieldInfos);
if (version >= VERSION_CHECKSUM)
{
CodecUtil.checkFooter(@in);
}
else
{
CodecUtil.checkEOF(@in);
}
ramBytesUsed_Renamed = new AtomicLong(RamUsageEstimator.shallowSizeOfInstance(this.GetType()));
success = true;
}
finally
{
if (success)
{
IOUtils.close(@in);
}
else
{
IOUtils.closeWhileHandlingException(@in);
}
}
success = false;
try
{
string dataName = IndexFileNames.segmentFileName(state.segmentInfo.name, state.segmentSuffix, dataExtension);
data = state.directory.openInput(dataName, state.context);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int version2 = codecs.CodecUtil.checkHeader(data, dataCodec, VERSION_START, VERSION_CURRENT);
int version2 = CodecUtil.checkHeader(data, dataCodec, VERSION_START, VERSION_CURRENT);
if (version != version2)
{
throw new CorruptIndexException("Format versions mismatch");
}
success = true;
}
finally
{
if (!success)
{
IOUtils.closeWhileHandlingException(this.data);
}
}
}
//static final boolean TEST = false;
public FSTOrdTermsReader(SegmentReadState state, PostingsReaderBase postingsReader)
{
string termsIndexFileName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, FSTOrdTermsWriter.TERMS_INDEX_EXTENSION);
string termsBlockFileName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, FSTOrdTermsWriter.TERMS_BLOCK_EXTENSION);
this.postingsReader = postingsReader;
ChecksumIndexInput indexIn = null;
IndexInput blockIn = null;
bool success = false;
try
{
indexIn = state.Directory.OpenChecksumInput(termsIndexFileName, state.Context);
blockIn = state.Directory.OpenInput(termsBlockFileName, state.Context);
version = ReadHeader(indexIn);
ReadHeader(blockIn);
if (version >= FSTOrdTermsWriter.TERMS_VERSION_CHECKSUM)
{
CodecUtil.ChecksumEntireFile(blockIn);
}
this.postingsReader.Init(blockIn);
SeekDir(blockIn);
FieldInfos fieldInfos = state.FieldInfos;
int numFields = blockIn.ReadVInt();
for (int i = 0; i < numFields; i++)
{
FieldInfo fieldInfo = fieldInfos.FieldInfo(blockIn.ReadVInt());
bool hasFreq = fieldInfo.FieldIndexOptions != FieldInfo.IndexOptions.DOCS_ONLY;
long numTerms = blockIn.ReadVLong();
long sumTotalTermFreq = hasFreq ? blockIn.ReadVLong() : -1;
long sumDocFreq = blockIn.ReadVLong();
int docCount = blockIn.ReadVInt();
int longsSize = blockIn.ReadVInt();
var index = new FST <long?>(indexIn, PositiveIntOutputs.Singleton);
var current = new TermsReader(this, fieldInfo, blockIn, numTerms, sumTotalTermFreq, sumDocFreq, docCount, longsSize, index);
var previous = fields[fieldInfo.Name] = current;
CheckFieldSummary(state.SegmentInfo, indexIn, blockIn, current, previous);
}
if (version >= FSTOrdTermsWriter.TERMS_VERSION_CHECKSUM)
{
CodecUtil.CheckFooter(indexIn);
}
else
{
CodecUtil.CheckEOF(indexIn);
}
success = true;
}
finally
{
if (success)
{
IOUtils.Close(indexIn, blockIn);
}
else
{
IOUtils.CloseWhileHandlingException(indexIn, blockIn);
}
}
}
/// <summary>
/// expert: instantiates a new reader </summary>
protected internal Lucene45DocValuesProducer(SegmentReadState state, string dataCodec, string dataExtension, string metaCodec, string metaExtension)
{
string metaName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, metaExtension);
// read in the entries from the metadata file.
ChecksumIndexInput @in = state.Directory.OpenChecksumInput(metaName, state.Context);
this.MaxDoc = state.SegmentInfo.DocCount;
bool success = false;
try
{
Version = CodecUtil.CheckHeader(@in, metaCodec, Lucene45DocValuesFormat.VERSION_START, Lucene45DocValuesFormat.VERSION_CURRENT);
Numerics = new Dictionary <int, NumericEntry>();
Ords = new Dictionary <int, NumericEntry>();
OrdIndexes = new Dictionary <int, NumericEntry>();
Binaries = new Dictionary <int, BinaryEntry>();
SortedSets = new Dictionary <int, SortedSetEntry>();
ReadFields(@in, state.FieldInfos);
if (Version >= Lucene45DocValuesFormat.VERSION_CHECKSUM)
{
CodecUtil.CheckFooter(@in);
}
else
{
CodecUtil.CheckEOF(@in);
}
success = true;
}
finally
{
if (success)
{
IOUtils.Close(@in);
}
else
{
IOUtils.CloseWhileHandlingException(@in);
}
}
success = false;
try
{
string dataName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name, state.SegmentSuffix, dataExtension);
Data = state.Directory.OpenInput(dataName, state.Context);
int version2 = CodecUtil.CheckHeader(Data, dataCodec, Lucene45DocValuesFormat.VERSION_START, Lucene45DocValuesFormat.VERSION_CURRENT);
if (Version != version2)
{
throw new Exception("Format versions mismatch");
}
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(this.Data);
}
}
RamBytesUsed_Renamed = new AtomicLong(RamUsageEstimator.ShallowSizeOfInstance(this.GetType()));
}
internal ChunkIterator(CompressingStoredFieldsReader outerInstance, int startDocId)
{
this.OuterInstance = outerInstance;
this.DocBase = -1;
Bytes = new BytesRef();
Spare = new BytesRef();
NumStoredFields = new int[1];
Lengths = new int[1];
IndexInput @in = outerInstance.FieldsStream;
@in.Seek(0);
FieldsStream = new BufferedChecksumIndexInput(@in);
FieldsStream.Seek(outerInstance.IndexReader.GetStartPointer(startDocId));
}
